stealc | ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 08:01

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General

Target

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe
Size

5.9MB
MD5

048aee0544f6faf502419b571a053980
SHA1

047c0fb760c3af3b0a1e741bd808858090dd70bf
SHA256

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f
SHA512

4fa292dade05bfc568ba6a39f129bdf88e59486faadebd64f2488fac79893c49b95c1bd7a606afae5e2add7cfece62554aa6d0e5ebd9f4eb75ba20dd462e8940
SSDEEP

98304:jYBYLosS6pvT7gIit3r648uaK9hobG/c70C0LRaFS:cBYLNS6pvT76t3r6bJK9hobZEVp

Score

10^/10

stealc vidar spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4564-68-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4564-66-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4564-72-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4564-86-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4564-164-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

JEGHJDGIJE.exeAAAKEBGDAF.exe

pid process

1788 JEGHJDGIJE.exe
4364 AAAKEBGDAF.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
1788	JEGHJDGIJE.exe
4364	AAAKEBGDAF.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exeJEGHJDGIJE.exeAAAKEBGDAF.exe

description	pid	process	target process
PID 1124 set thread context of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1788 set thread context of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 4364 set thread context of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4492 1788 WerFault.exe JEGHJDGIJE.exe
2760 4364 WerFault.exe AAAKEBGDAF.exe

pid	pid_target	process	target process
4492	1788	WerFault.exe	JEGHJDGIJE.exe
2760	4364	WerFault.exe	AAAKEBGDAF.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4176 timeout.exe

pid	process
4176	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exeMSBuild.exe

pid	process
1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe
1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe
4564	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe

description pid process

Token: SeDebugPrivilege 1124 ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe

description	pid	process
Token: SeDebugPrivilege	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exeMSBuild.exeJEGHJDGIJE.exeAAAKEBGDAF.execmd.exe

description	pid	process	target process
PID 1124 wrote to memory of 4616	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4616	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4616	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 1124 wrote to memory of 4564	1124	ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe	MSBuild.exe
PID 4564 wrote to memory of 1788	4564	MSBuild.exe	JEGHJDGIJE.exe
PID 4564 wrote to memory of 1788	4564	MSBuild.exe	JEGHJDGIJE.exe
PID 4564 wrote to memory of 1788	4564	MSBuild.exe	JEGHJDGIJE.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 1788 wrote to memory of 1940	1788	JEGHJDGIJE.exe	RegAsm.exe
PID 4564 wrote to memory of 4364	4564	MSBuild.exe	AAAKEBGDAF.exe
PID 4564 wrote to memory of 4364	4564	MSBuild.exe	AAAKEBGDAF.exe
PID 4564 wrote to memory of 4364	4564	MSBuild.exe	AAAKEBGDAF.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4364 wrote to memory of 1888	4364	AAAKEBGDAF.exe	RegAsm.exe
PID 4564 wrote to memory of 4124	4564	MSBuild.exe	cmd.exe
PID 4564 wrote to memory of 4124	4564	MSBuild.exe	cmd.exe
PID 4564 wrote to memory of 4124	4564	MSBuild.exe	cmd.exe
PID 4124 wrote to memory of 4176	4124	cmd.exe	timeout.exe
PID 4124 wrote to memory of 4176	4124	cmd.exe	timeout.exe
PID 4124 wrote to memory of 4176	4124	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe
"C:\Users\Admin\AppData\Local\Temp\ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:4616

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4564

C:\ProgramData\JEGHJDGIJE.exe
"C:\ProgramData\JEGHJDGIJE.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 292
4⤵
- Program crash
PID:4492

C:\ProgramData\AAAKEBGDAF.exe
"C:\ProgramData\AAAKEBGDAF.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 320
4⤵
- Program crash
PID:2760

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGCGHCBKFCFB" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:4124

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
1⤵
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4364 -ip 4364
1⤵
PID:1092

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\AAAKEBGDAF.exe
Filesize
937KB

MD5
168c5908924803d268d26965c32a5620

SHA1
9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

SHA256
2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

SHA512
749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

Download Submit
C:\ProgramData\JEGHJDGIJE.exe
Filesize
516KB

MD5
0309dd0131150796ea99b30a62194fae

SHA1
2df6e334708eae810a74b844fd57e18e9fdc34cd

SHA256
07c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35

SHA512
3d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8

Download Submit
memory/1124-35-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-2-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/1124-4-0x0000000005660000-0x00000000057BE000-memory.dmp

Filesize
1.4MB

Download
memory/1124-5-0x00000000054A0000-0x00000000054BC000-memory.dmp

Filesize
112KB

Download
memory/1124-17-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-15-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-65-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-0-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/1124-1-0x0000000000340000-0x000000000091C000-memory.dmp

Filesize
5.9MB

Download
memory/1124-70-0x0000000074620000-0x0000000074DD1000-memory.dmp

Filesize
7.7MB

Download
memory/1124-63-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-61-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-59-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-55-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-54-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-51-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-49-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-47-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-45-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-43-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-41-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-37-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-163-0x0000000074620000-0x0000000074DD1000-memory.dmp

Filesize
7.7MB

Download
memory/1124-3-0x0000000074620000-0x0000000074DD1000-memory.dmp

Filesize
7.7MB

Download
memory/1124-25-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-29-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-27-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-31-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-24-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-21-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-13-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-9-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-7-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-57-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-39-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-19-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-11-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-6-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1124-71-0x0000000074620000-0x0000000074DD1000-memory.dmp

Filesize
7.7MB

Download
memory/1124-33-0x00000000054A0000-0x00000000054B5000-memory.dmp

Filesize
84KB

Download
memory/1788-144-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

Filesize
4KB

Download
memory/1940-148-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4564-86-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4564-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4564-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4564-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4564-164-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download